package jvm;

import java.util.HashMap;
import java.util.Map;

/**
 * @Author Jun jie Yi
 * @Date 2022/3/5 22:14
 */
public class GCDemo {

    public static void main(String[] args) {
        Map<String, String> map = new HashMap<>();
        map.put("aaaa", "AAAAA");
        String aaa = map.get("aaaa");

        System.out.println(aaa);

    }

}
